public override Stream CreateUploadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry, long uploadSize)
{
// build the url
var url = GetResourceUrl(session, fileSystemEntry, null);
// get the session creds
var creds = session.SessionToken as ICredentials;
// Build the service
var svc = new DavService();
// get the service config
var conf = (WebDavConfiguration)session.ServiceConfiguration;
// build the webrequest
var networkRequest = svc.CreateWebRequestPUT(url, creds.GetCredential(null, null), conf.UploadDataStreambuffered);
// get the request stream
var requestStream = svc.GetRequestStream(networkRequest, uploadSize);
// add disposal opp
requestStream.PushPostDisposeOperation(CommitUploadStream, svc, networkRequest, fileSystemEntry, requestStream);
// go ahead
return(requestStream);
}
public override Stream CreateDownloadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry)
{
// build the url
var url = GetResourceUrl(session, fileSystemEntry, null);
// get the session creds
var creds = session.SessionToken as ICredentials;
// Build the service
var svc = new DavService();
// create the response
var response = CreateDownloadResponse(url, creds.GetCredential(null, null));
// get the data
var orgStream = svc.GetResponseStream(response);
var dStream = new BaseFileEntryDownloadStream(orgStream, fileSystemEntry);
// put the disposable on the stack
dStream._DisposableObjects.Push(response);
// go ahead
return(dStream);
}
private bool CopyResource(IStorageProviderSession session, ICloudFileSystemEntry fsentry, String newTargetUrl)
{
// cast to webdav configuration
WebDavConfiguration config = session.ServiceConfiguration as WebDavConfiguration;
ICredentials creds = session.SessionToken as ICredentials;
// build url
String uriString = PathHelper.Combine(config.ServiceLocator.ToString(), GenericHelper.GetResourcePath(fsentry));
Uri uri = new Uri(uriString);
Uri uriTarget = new Uri(newTargetUrl);
// create the service
DavService svc = new DavService();
// create the webrequest
HttpStatusCode errorCode = svc.PerformCopyWebRequest(uri.ToString(), uriTarget.ToString(), creds.GetCredential(null, null));
if (errorCode != HttpStatusCode.Created)
{
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// This method removes a specific resource from a webdav share
/// </summary>
/// <param name="session"></param>
/// <param name="entry"></param>
public override Boolean DeleteResource(IStorageProviderSession session, ICloudFileSystemEntry entry)
{
// get the credentials
var creds = session.SessionToken as ICredentials;
// build url
var uriString = GetResourceUrl(session, entry, null);
var uri = new Uri(uriString);
// create the service
var svc = new DavService();
// create the webrequest
int errorCode;
WebException e;
svc.PerformSimpleWebCall(uri.ToString(), WebRequestMethodsEx.WebDAV.Delete, creds.GetCredential(null, null), null, out errorCode, out e);
if (!HttpUtilityEx.IsSuccessCode(errorCode))
{
return(false);
}
// remove from parent
var parentDir = entry.Parent as BaseDirectoryEntry;
if (parentDir != null)
{
parentDir.RemoveChildById(entry.Id);
}
return(true);
}
public void CommitUploadStream(params object[] arg)
{
// convert the args
DavService svc = arg[0] as DavService;
HttpWebRequest uploadRequest = arg[1] as HttpWebRequest;
BaseFileEntry fileSystemEntry = arg[2] as BaseFileEntry;
#if !WINDOWS_PHONE && !MONODROID
WebRequestStream requestStream = arg[3] as WebRequestStream;
// check if all data was written into stream
if (requestStream.WrittenBytes != uploadRequest.ContentLength)
{
// nothing todo request was aborted
return;
}
#endif
// perform the request
int code;
WebException e;
svc.PerformWebRequest(uploadRequest, null, out code, out e);
// check the ret value
if (!HttpUtilityEx.IsSuccessCode(code))
{
SharpBoxException.ThrowSharpBoxExceptionBasedOnHttpErrorCode(uploadRequest, (HttpStatusCode)code, e);
}
// adjust the lengt
#if !WINDOWS_PHONE && !MONODROID
fileSystemEntry.Length = uploadRequest.ContentLength;
#endif
}
/// <summary>
/// This method generates a session to a webdav share via username and password
/// </summary>
/// <param name="token"></param>
/// <param name="configuration"></param>
/// <returns></returns>
public override IStorageProviderSession CreateSession(ICloudStorageAccessToken token, ICloudStorageConfiguration configuration)
{
// cast the creds to the right type
WebDavConfiguration config = configuration as WebDavConfiguration;
// build service
DavService svc = new DavService();
// check if url available
int status = (int)HttpStatusCode.OK;
WebException e = null;
svc.PerformSimpleWebCall(config.ServiceLocator.ToString(), WebRequestMethodsEx.WebDAV.Options, (token as ICredentials).GetCredential(null, null), null, out status, out e);
if (status == (int)HttpStatusCode.Unauthorized)
{
throw new UnauthorizedAccessException();
}
else if (HttpUtilityEx.IsSuccessCode(status))
{
return(new WebDavStorageProviderSession(token, config, this));
}
else
{
return(null);
}
}
public override Stream CreateDownloadStream(IStorageProviderSession session, ICloudFileSystemEntry fileSystemEntry)
{
// build the url
string url = GetResourceUrl(session, fileSystemEntry, null);
// get the session creds
ICredentials creds = session.SessionToken as ICredentials;
// Build the service
DavService svc = new DavService();
// create the webrequest
WebRequest request = svc.CreateWebRequest(url, WebRequestMethodsEx.Http.Get, creds.GetCredential(null, null), false, null);
// create the response
WebResponse response = svc.GetWebResponse(request);
// get the data
Stream orgStream = svc.GetResponseStream(response);
BaseFileEntryDownloadStream dStream = new BaseFileEntryDownloadStream(orgStream, fileSystemEntry);
// put the disposable on the stack
dStream._DisposableObjects.Push(response);
// go ahead
return(dStream);
}
private static bool MoveResource(IStorageProviderSession session, ICloudFileSystemEntry fsentry, String newTargetUrl)
{
var config = session.ServiceConfiguration as WebDavConfiguration;
var creds = session.SessionToken as ICredentials;
var uriString = PathHelper.Combine(config.ServiceLocator.ToString(), GenericHelper.GetResourcePath(fsentry));
var uri = new Uri(uriString);
var uriTarget = new Uri(newTargetUrl);
var errorCode = new DavService().PerformMoveWebRequest(uri.ToString(), uriTarget.ToString(), creds.GetCredential(null, null));
return(errorCode == HttpStatusCode.Created || errorCode == HttpStatusCode.NoContent);
}
private WebResponse CreateDownloadResponse(string url, ICredentials creds)
{
// Build the service
var svc = new DavService();
// create the webrequest
var request = svc.CreateWebRequest(url, WebRequestMethodsEx.Http.Get, creds, false, null);
try
{
// create the response
var response = svc.GetWebResponse(request);
return(response);
}
catch (WebException e)
{
if (e.Response is HttpWebResponse)
{
var code = (e.Response as HttpWebResponse).StatusCode;
if (code == HttpStatusCode.Moved)
{
// get the new uri
var newUri = e.Response.Headers["Location"];
// redo it
return(CreateDownloadResponse(newUri, creds));
}
NetworkCredential networkCredential;
if (code == HttpStatusCode.Unauthorized && (networkCredential = creds as NetworkCredential) != null)
{
var search = new Regex(@"^\w+", RegexOptions.Singleline | RegexOptions.IgnoreCase);
// get authentication method
var authMethod = search.Match(e.Response.Headers["WWW-Authenticate"]).Value;
var newCredentials = new CredentialCache {
{ new Uri((new Uri(url)).GetLeftPart(UriPartial.Authority)), authMethod, networkCredential }
};
// redo it
return(CreateDownloadResponse(url, newCredentials));
}
}
throw;
}
}
/// <summary>
///
/// </summary>
/// <param name="session"></param>
/// <param name="Name"></param>
/// <param name="parent"></param>
/// <returns></returns>
public override ICloudFileSystemEntry CreateResource(IStorageProviderSession session, string Name, ICloudDirectoryEntry parent)
{
// get the credentials
ICredentials creds = session.SessionToken as ICredentials;
// build url
String uriString = GetResourceUrl(session, parent, null);
uriString = PathHelper.Combine(uriString, Name);
Uri uri = new Uri(uriString);
// build the DavService
DavService svc = new DavService();
// create the webrequest
int errorCode;
WebException e;
svc.PerformSimpleWebCall(uri.ToString(), WebRequestMethodsEx.Http.MkCol, creds.GetCredential(null, null), null, out errorCode, out e);
if (errorCode != (int)HttpStatusCode.Created)
{
return(null);
}
else
{
BaseDirectoryEntry newDir = new BaseDirectoryEntry(Name, 0, DateTime.Now, this, session);
// init parent child relation
if (parent != null)
{
BaseDirectoryEntry parentDir = parent as BaseDirectoryEntry;
parentDir.AddChild(newDir);
}
return(newDir);
}
}
private BaseFileEntry RequestResourceFromWebDavShare(IStorageProviderSession session, ICredentials creds, String resourceUrl, out List <BaseFileEntry> childs)
{
// build the dav service
var svc = new DavService();
try
{
// create the web request
var request = svc.CreateWebRequestPROPFIND(resourceUrl, creds);
// the result
WebDavRequestResult requestResult;
// get the response
using (var response = svc.GetWebResponse(request) as HttpWebResponse)
{
if (response.StatusCode == HttpStatusCode.Moved)
{
// get the new uri
var newUri = response.Headers["Location"];
(session.ServiceConfiguration as WebDavConfiguration).ServiceLocator = new Uri(newUri);
// close the response
response.Close();
// redo it
return(RequestResourceFromWebDavShare(session, creds, newUri, out childs));
}
// get the response stream
using (var data = svc.GetResponseStream(response))
{
if (data == null)
{
childs = null;
return(null);
}
// build the file entries
requestResult = WebDavRequestParser.CreateObjectsFromNetworkStream(data, resourceUrl, this, session, WebDavNameBaseFilterCallback);
// close the stream
data.Close();
}
// close the response
response.Close();
}
// get the request fileentry and fill the childs
if (requestResult.Self == null)
{
childs = null;
return(null);
}
// set the childs
childs = requestResult.Childs;
// go ahead
return(requestResult.Self);
}
catch (WebException e)
{
if (e.Response is HttpWebResponse)
{
var code = (e.Response as HttpWebResponse).StatusCode;
if (code == HttpStatusCode.Moved)
{
// get the new uri
var newUri = e.Response.Headers["Location"];
(session.ServiceConfiguration as WebDavConfiguration).ServiceLocator = new Uri(newUri);
// redo it
return(RequestResourceFromWebDavShare(session, creds, newUri, out childs));
}
NetworkCredential networkCredential;
if (code == HttpStatusCode.Unauthorized && (networkCredential = creds as NetworkCredential) != null)
{
// get authentication method
var headers = e.Response.Headers["WWW-Authenticate"];
if (!string.IsNullOrEmpty(headers))
{
var search = new Regex(@"^\w+", RegexOptions.Singleline | RegexOptions.IgnoreCase);
var authMethod = search.Match(headers).Value;
var newCredentials = new CredentialCache {
{ new Uri((new Uri(resourceUrl)).GetLeftPart(UriPartial.Authority)), authMethod, networkCredential }
};
// redo it
return(RequestResourceFromWebDavShare(session, newCredentials, resourceUrl, out childs));
}
}
}
childs = null;
return(null);
}
}
private BaseFileEntry RequestResourceFromWebDavShare(IStorageProviderSession session, String resourceUrl, out List <BaseFileEntry> childs)
{
// get the credebtials
ICredentials creds = session.SessionToken as ICredentials;
// build the dav service
DavService svc = new DavService();
// the result
WebDavRequestResult RequestResult;
try
{
// create the web request
WebRequest request = svc.CreateWebRequestPROPFIND(resourceUrl, creds.GetCredential(null, null));
// get the response
using (HttpWebResponse response = svc.GetWebResponse(request) as HttpWebResponse)
{
if (response.StatusCode == HttpStatusCode.Moved)
{
// get the new uri
String newUri = response.Headers["Location"];
// close the response
response.Close();
// redo it
return(RequestResourceFromWebDavShare(session, newUri, out childs));
}
else
{
// get the response stream
using (Stream data = svc.GetResponseStream(response))
{
if (data == null)
{
childs = null;
return(null);
}
// build the file entries
RequestResult = WebDavRequestParser.CreateObjectsFromNetworkStream(data, resourceUrl, this, session, WebDavNameBaseFilterCallback);
// close the stream
data.Close();
}
// close the response
response.Close();
}
}
// get the request fileentry and fill the childs
if (RequestResult.Self == null)
{
childs = null;
return(null);
}
// set the childs
childs = RequestResult.Childs;
// go ahead
return(RequestResult.Self);
}
catch (WebException)
{
childs = null;
return(null);
}
}
